\begin{table}[htp]
	\begin{center}
	\caption{Current through $50 \Omega$ resistor}
	\label{tab:table_ohm}
		\begin{tabular}{cc}
		\toprule
			{$V$} & {$I=V/R$}\\
			\midrule
			$1 V$ & $0.02 A$\\
			$2 V$ & $0.04 A$\\
			$3 V$ & $0.06 A$\\
		\bottomrule
		\end{tabular}
	\end{center}
\end{table}